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时间:2020-05-20
《青少年抑郁症前额叶的磁共振波谱研究-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2394实用医学杂志2014年第3O卷第15期·临床研究·青少年抑郁症前额叶的磁共振波谱研究毛宁刘泉源王静代彩云张迪王倩王滨摘要目的:利用磁共振波谱(H—MRS)分析研究青少年抑郁症患者前额叶的代谢改变。方法:收集年龄、性别及教育程度匹配的24例青少年抑郁症患者(抑郁症组)和23例健康青少年(对照组),应用多体素tH.MRS技术测量前额叶白质和灰质内N一乙酰天门冬氨酸盐(NAA)、胆碱复合物(Cho)、肌酸(Cr)等代谢物的水平。结果:抑郁症组左背外侧前额叶白质NAA/Cr、Cho/Cr较对照组显著减低[NAA/cr:1.67士0.32,t=3.126,P=0.0O4;Cho/Cr
2、:1.28±0.30,t=2.362,P=0.024『,抑郁症组右背外侧前额叶白质NAA/Cr较对照组显著减低[NAA/Cr:1.65±0.26,t=2.969,P=0.006],两组间双侧前扣带回灰质的代谢物无明显差异。结论:前额叶白质的代谢异常参与青少年抑郁症的发生过程,这些改变发生在疾病发生过程的早期关键词抑郁症;磁共振波谱分析;前额叶;青少年Detectionsofbrainbiochemicalchangesinprefrontallobesoftheadolescentswitlldepressionusingmagneticr~onSltlCespectroscopy
3、MAOⅣ,UQo~n-y.,m,WANGSng,DAICai-yun,ZHANGDi,WANGQian,WANGBin.BinzhouMedicalc0,Binzhou256603,ChinaCorrespondingauthor:WANGBinE-mail:binwangO01@aliyun.com【AbstractlObjectiveToexplorethebrainbiochemicalchangesinthefrontallobeofadolescentswithdepressionusingprotonmagneticresonancespectroscopyfH-MRS
4、).MethodsTwenty-fourpatientsandtwenty-threehealthysubjectsmatchedforage,sexandeducationlevelwereenrolledinthestudy.AllthesubjectsunderwentmultivoxelHMRStOmeasurethebilateralmetaboliclevelsofN·acetylaspartate(NAA),choline(Cho),creatine(Cr)intheprefrontallobes.ResultsTheNAA/CrandCho/Crratiosinth
5、eleftdorsolateralprefrontalwhitematterofthedepressiveadolescentswel'~significantlylowerthanthoseofthehealthysubjects[NAA/Cr:1.67±0.32,t=3.126,P=0.004;Cho/Cr:1.28±0.30,t=2.362,P=0.024],andtheratiosofNAA/Crintherightdorsolateralprefrontalwhitematterofthedepressiveadolescentswasalsosignificantlyl
6、owerthanthatofthehealthysubjects[NAA/Cr:1.65±O.26,t=2.969,P=0.006].Therewasnosignificantdiferenceinthemetabolicratiosintllebilateralanteriorcingnlategraymatterbetweenthedepressiveadolescentsandthehealthycontrols.ConclusionsBiochemicalabnormalitiesinprefrontalwhitematterareinvolvedinthepathophy
7、siologyofdepression.Impo~anfly.theseabnormalitiesarealreadypresentearlyinthecourseofthedisorder.【Keywords】Adolescentdepression;Magneticresonancespectrum;Prefrontallobe抑郁症是青少年时期高发的疾病,青少年抑排除了药物、退变等多种综合因素的影响。功能郁症的发生率约为6%一7%,青少年患抑郁症后影像学研究发现
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